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Finding the Fourth Proportional to 916.46, 1,374.52 and 267.04

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Solution

The fourth proportional to 916.46, 1,374.52 and 267.04 is: 400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.46 : 1,374.52 = 267.04 : x
  2. Step 2: Convert to fraction form
    916.46/1,374.52 = 267.04/x
  3. Step 3: Cross multiply
    916.46x = 1,374.52 × 267.04
  4. Step 4: Simplify right side
    916.46x = 367,043.61
  5. Step 5: Solve for x
    x = 367,043.61/916.46
  6. Step 6: Final answer
    x = 400.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 917.46, 1,376.01 and 268.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.